The following survey has bias.
(a) Determine the type of bias.
(b) Suggest a
Upper A polling organization conducts a study to estimate the percentage of households that speak a foreign language as the primary language. They mail a questionnaire to 1 comma 023 randomly selected households and asks the head of household if a foreign language is the primary language spoken in the home. Of the 1 comma 023 households selected comma 12 responded. nothing
(a) What is the type of bias?
(b) What is a possible remedy?
Use systematic random sampling.
Conduct face dash to dash face or telephone interviews.